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What is an illuminator?
An illuminator, light generator or source is a box along with a lamp inside, pointing in the direction of an opening where fiber optics is secured. Obviously, it is an over-simplification, though in reality many of the illuminators available in the industry are small more than it.
Define drift velocity and derive an expression for it?
What occurs to the power dissipation if the value of electric current passing by a conductor of constant resistance is doubled? Normal 0 false false false
Q The refractive index of a medium is √3. Compute the angle of refraction if the un-polarised light is incident on it at the polarizing angle of the medium. μ = tan i p = √3
Stretch the fore-finger, central finger and thumb left hand mutually perpendicular. Then if the fore-finger shows in the direction of field and the central in the direction of cu
Semiconductor is solid material whose electrical conductivity at room temperature lies between conductivity of a conductor and that of an insulator. At high temperatures its conduc
Magnetic Susceptibility and Ferromagnetic Substances: Magnetic Susceptibility: The magnetic susceptibility (c) of a substance is defined as the ratio of the intensity of magn
Explain the applications of polarization of light? Write any four applications of interference of light. Illustrate how plane polarized light obtained by reflection.
Two tiny objects with equal charges of 71.0 µC are placed at two corners of a square with sides of 0.340 m, as shown. How far above and to the left of the corner of the square labe
Problem The work done by a force as it acts on an object equals the force times the displacement times the cosine of the angle between the force and displacement vectors. a
How is Specific Gravity defined? Specific Gravity, SG, is a unit less quantity that provides the scientist or engineers an idea of how dense a substance is compared to water. T
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